Question

Aflati x din proportiile urmatoare:

Answer 1

Răspuns:

12)

$\frac{x}{300} = \frac{100}{900}$

$x = \frac{300 \times 100}{900} = 33 \frac{1}{3}$

13)

$\frac{13}{x} = \frac{10}{9} \\ \\ x = \frac{13 \times 9}{10} = 11 \frac{7}{10}$